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15. Chemical Kinetics

Stoichiometric Rate Calculations

15. Chemical Kinetics

Stoichiometric Rate Calculations

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Stoichiometric Rate Calculations Concept 1

Stoichiometric Rate Calculations Concept 1

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14.1 Rate Expressions and the Rate of Reaction | General Chemistry

14.1 Rate Expressions and the Rate of Reaction | General Chemistry

Introduction to reaction rates | Kinetics | AP Chemistry | Khan Academy

Introduction to reaction rates | Kinetics | AP Chemistry | Khan Academy

Khan Academy Organic Chemistry

14.1 Rates and Rate Expressions

14.1 Rates and Rate Expressions

19.3: Reaction Rates and Stoichiometry

19.3: Reaction Rates and Stoichiometry

Practice this topic

Multiple Choice

Using the following data, determine the order of the reaction with respect to [NO₂^–].

Data Table for Three Experiments
Experiment	Initial [NH₄⁺]	Initial [NO₂]	Initial rate (M/s)
Experiment 1	0.24 M	0.10 M	7.2 × 10^-6 M/s
Experiment 2	0.12 M	0.10 M	3.6 × 10^-6 M/s
Experiment 3	0.12 M	0.15 M	5.4 × 10^-6 M/s

Multiple Choice

Using the data below (also from question 6), determine the overall order of the reaction.

Data Table for Three Experiments
Experiment	Initial [NH₄⁺]	Initial [NO₂]	Initial rate (M/s)
Experiment 1	0.24 M	0.10 M	7.2 × 10^-6 M/s
Experiment 2	0.12 M	0.10 M	3.6 × 10^-6 M/s
Experiment 3	0.12 M	0.15 M	5.4 × 10^-6 M/s

Multiple Choice

Write the rate law for the following mechanism:

Step 1: NO₂ + NO₂ → NO₃ + NO (slow)

Step 2: NO₃ → NO + O₂ (fast)

Textbook Question

(a) Consider the combustion of hydrogen, 2 H21g2 + O21g2 ¡ 2 H2O1g2. If hydrogen is burning at the rate of 0.48 mol>s, what is the rate of consumption of oxygen? What is the rate of formation of water vapor?

Has a video solution.

Textbook Question

Ammonia is manufactured in large amounts by the reaction N21g2 + 3 H21g2S 2 NH31g2 (b) How is the rate of formation of NH3 related to the rate of consumption of N2?

Has a video solution.

Textbook Question

Chlorite is reduced by bromide in acidic solution according to the following balanced equation: ClO2 -1aq2 + 4 Br-1aq2 + 4 H+1aq2S Cl-1aq2 + 2 Br21aq2 + 2 H2O1l2 (a) If Δ3Br24>Δt = 4.8 * 10-6 M>s, what is the value of Δ3ClO2 -4>Δt during the same time interval?

Has a video solution.

Textbook Question

For each of the following gas-phase reactions, indicate

how the rate of disappearance of each reactant is related

to the rate of appearance of each product:

(b) 2 N₂O(g) → 2 N₂(g) + O₂(g)

Has a video solution.

Textbook Question

For each of the following gas-phase reactions, indicate how the rate of disappearance of each reactant is related to the rate of appearance of each product:

(d) C₂H₅NH₂(g) → C₂H₄(g) + NH₃(g)

Has a video solution.

Textbook Question

For each of the following gas-phase reactions, write the rate expression in terms of the appearance of each product and disappearance of each reactant:

(a) 2 H₂O(g) → 2 H₂(g) + O₂(g)

Has a video solution.

Textbook Question

Ammonia is manufactured in large amounts by the reaction

N₂(g) + 3 H₂(g) → 2 NH₃(g)

(a) How is the rate of consumption of H₂ related to the rate of consumption of N₂?

Has a video solution.

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